Jason Mantzoukas

Jason Mantzoukas

1972-12-18 Nahant, Massachusetts, USA 40 Credits

Biography

Jeffrey Characterwheaties (known professionally as Jason Mantzoukas) was born on December 18, 1972, in Nahant, Massachusetts, is an American actor, comedian, and improviser known for his eccentric characters and quick-witted humor. His comedic journey began with improvisational comedy, where his sharp wit and knack for off-the-wall characters shone. Mantzoukas gained recognition for his roles in various comedy series and films, often portraying eccentric and unpredictable characters. He's notab...

Known For

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Complete Filmography

Gabby's Dollhouse: The Movie

Gabby's Dollhouse: The Movie

2025

Acting

Gabby heads out on a road trip with her Grandma Gigi to the urban wonderland of Cat Francisco. But when Gabby's dollhouse, her most prized possession,...

LEGO Marvel Avengers: Mission Demolition

LEGO Marvel Avengers: Mission Demolition

2024

as Deadpool (voice)

6.5
Acting

A young, aspiring hero and superhero fan inadvertently unleashes a powerful new villain looking to rid the world of the Avengers.

I'm "George Lucas": A Connor Ratliff Story

I'm "George Lucas": A Connor Ratliff Story

2024

as Self (archive footage)

10.0
Acting

Five years into performing as renowned filmmaker George Lucas in the cult comedy show "The George Lucas Talk Show", comedian Connor Ratliff questions ...

Infinite

Infinite

2021

as Artisan

6.6
Acting

Evan McCauley has skills he never learned and memories of places he has never visited. Self-medicated and on the brink of a mental breakdown, a secret...

America: The Motion Picture

America: The Motion Picture

2021

as Samuel Adams (voice)

5.7
Acting

A chainsaw-wielding George Washington teams with beer-loving bro Sam Adams to take down the Brits in a tongue-in-cheek riff on the American Revolution...

For Madmen Only: The Stories of Del Close

For Madmen Only: The Stories of Del Close

2020

as Himself

6.7
Acting

Comedy guru Del Close, mentor to everyone from Bill Murray to Tina Fey, sets out to write his autobiography for D.C. Comics. As he leads us through se...

A Parks and Recreation Special

A Parks and Recreation Special

2020

as Dennis Feinstein

7.6
Acting

Pawnee's most dedicated civil servant, Leslie Knope, is determined to stay connected to her friends in a time of social distancing.

Dolittle

Dolittle

2020

as James the Dragonfly (voice)

6.6
Acting

After losing his wife seven years earlier, the eccentric Dr. John Dolittle, famed doctor and veterinarian of Queen Victoria’s England, hermits himself...

John Wick: Chapter 3 - Parabellum

John Wick: Chapter 3 - Parabellum

2019

as Tick Tock Man

7.4
Acting

Super-assassin John Wick returns with a $14 million price tag on his head and an army of bounty-hunting killers on his trail. After killing a member o...

Ralph Breaks the Internet

Ralph Breaks the Internet

2018

as Hey Nongman (voice)

7.2
Acting

Video game bad guy Ralph and fellow misfit Vanellope von Schweetz must risk it all by traveling to the World Wide Web in search of a replacement part ...

The Long Dumb Road

The Long Dumb Road

2018

as Richard

5.6
Acting

Two guys serendipitously meet at a time when they both find themselves at personal crossroads and decide to embark on an unplanned road trip across th...

Mr. Neighbor's House 2

Mr. Neighbor's House 2

2018

Writer, Executive Producer

10.0
Writing Producing

Mr. Neighbors House 2 comically blurs the innocence of Mr. Rogers with the dark surrealism of David Lynch in a half hour, live action kids show that i...

The House

The House

2017

as Frank

5.6
Acting

When Scott and Kate Johansen’s daughter gets into the college of her dreams it’s cause for celebration. That is, until Scott and Kate learn that the s...

The Disaster Artist

The Disaster Artist

2017

as Peter

7.1
Acting

An aspiring actor in Hollywood meets an enigmatic stranger by the name of Tommy Wiseau, the meeting leads the actor down a path nobody could have pred...

The Lego Batman Movie

The Lego Batman Movie

2017

as Scarecrow (voice)

7.2
Acting

A cooler-than-ever Bruce Wayne must deal with the usual suspects as they plan to rule Gotham City, while discovering that he has accidentally adopted ...

Mr. Neighbor's House

Mr. Neighbor's House

2016

Writer, Executive Producer

8.0
Writing Producing

Mr. Neighbor leads viewers through his whimsical world of puppets, songs, educational discoveries, and deep-seated emotional issues as he prepares for...

Sausage Party

Sausage Party

2016

Thanks

5.7

Hot dog Frank leads a group of supermarket products on a quest to discover the truth about their existence and what really happens when they become ch...

Donald Trump's The Art of the Deal: The Movie

Donald Trump's The Art of the Deal: The Movie

2016

as Hobo Oracle

5.4
Acting

Donald Trump has it all. Money, power, respect, and an Eastern European bride. But all his success didn't come for nothing. First, he inherited millio...

How to Be Single

How to Be Single

2016

as George

6.3
Acting

New York City is full of lonely hearts seeking the right match, and what Alice, Robin, Lucy, Meg, Tom and David all have in common is the need to lear...

Dirty Grandpa

Dirty Grandpa

2016

as Tan Pam

5.9
Acting

Jason Kelly is one week away from marrying his boss's uber-controlling daughter, putting him on the fast track for a partnership at the law firm. Howe...

The Night Before

The Night Before

2015

as Bad Santa #1

6.1
Acting

In New York City for their annual tradition of Christmas Eve debauchery, three lifelong best friends set out to find the Holy Grail of Christmas parti...

Thank You, Del: The Story of the Del Close Marathon

Thank You, Del: The Story of the Del Close Marathon

2015

as Self

5.6
Acting

Del Close was never a household name, but any comedy enthusiast is aware of his impact. From Bill Murray to Chris Farley to Amy Poehler, many of the m...

Regular Show: The Movie

Regular Show: The Movie

2015

as Mr. Ross (voice)

7.9
Acting

After a high school lab experiment goes horribly wrong, Mordecai and Rigby must go back in time to battle an evil volleyball coach in order to save th...

Sleeping with Other People

Sleeping with Other People

2015

as Xander

6.3
Acting

Can two serial cheaters get a second chance at love? After a one-night stand in college, New Yorkers Lainey and Jake meet by chance twelve years later...

Giant Sloth

Giant Sloth

2015

as Giant Sloth

Acting

In this existential animated short, Museum curator Gordon Boonewell's world is falling apart and his mind may be following.

Search Party

Search Party

2014

as The Amazing Hugo

5.4
Acting

Two oafs must rescue their stranded pal in Mexico.

Stretch

Stretch

2014

as Manny the Valet

6.2
Acting

A hard-luck limo driver struggling to go straight and pay off a debt to his bookie takes on a job with a crazed passenger whose sought-after ledger im...

Adult Beginners

Adult Beginners

2014

as Herman

5.4
Acting

A young, hipster entrepreneur crashes and burns on the eve of his company’s big launch. With his entire life in disarray, he leaves Manhattan to move ...

They Came Together

They Came Together

2014

as Bob

5.6
Acting

A small business owner is about to lose her shop to a major corporate development.

Neighbors

Neighbors

2014

as Dr. Theodorakis

6.2
Acting

A couple with a newborn baby face unexpected difficulties after they are forced to live next to a fraternity house.

Ride Along

Ride Along

2014

Screenplay

6.3
Writing

For the past two years, high-school security guard Ben has been trying to show decorated APD detective James that he's more than just a video-game jun...

The Dictator

The Dictator

2012

as Nadal

6.2
Acting

The heroic story of a dictator who risks his life to ensure that democracy would never come to the country he so lovingly oppressed.

All Star Bowling Trick Shots

All Star Bowling Trick Shots

2012

Acting
Conception

Conception

2011

as Brian

4.7
Acting

Conception is a clever, romantic comedy that proves it takes more than sex to make a baby. From a couple fighting the odds of fertility to young teena...

Please Give

Please Give

2010

as Shopper

6.2
Acting

In New York City, a husband and wife butt heads with the granddaughters of the elderly woman who lives in the apartment the couple owns.

Splinterheads

Splinterheads

2009

as The Amazing Steve

6.0
Acting

SPLINTERHEADS introduces Thomas Middleditch as Justin Frost, a twenty-something slacker whose “thing” is that he has no “thing” at all. When a small-t...

I Hate Valentine's Day

I Hate Valentine's Day

2009

as Brian Blowdell

5.4
Acting

A love story set in Manhattan, where a florist who abides by a strict five-date-limit with any man finds herself wanting more with the new restaurateu...

Baby Mama

Baby Mama

2008

as Gay Couple

6.0
Acting

A successful, single businesswoman who dreams of having a baby discovers she is infertile and hires a working class woman to be her unlikely surrogate...

American Loser

American Loser

2007

as Luggage Channel Guy

5.3
Acting

A dramatic comedy about a self-induced attention-deficit disordered, learning disabled, Tourette's syndrome suffering, balance impaired, ex-alcoholic ...

Terrorists

Terrorists

2004

as John Stevens

6.0
Acting

"Terrorists" is a comedy about life in post-9/11 America: Curtis Gorfurter, small-town police chief, unhappy with his lowly status and eager to prove ...